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Synthesis and Characterization of all-E-(4,4′-13C2)-Astaxanthin Strategies for Labelling the C15-End Groups of Carotenoids

✍ Scribed by Frans Jos H. M. Jansen; Johan Lugtenburg

Publisher: John Wiley and Sons
Year: 2000
Tongue: English
Weight: 292 KB
Volume: 2000
Category: Article
ISSN: 1434-193X
DOI: 10.1002/(sici)1099-0690(200003)2000:5<829::aid-ejoc829>3.0.co;2-z

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✦ Synopsis

The all-E isomer of (4,4Ј-13 C 2 )astaxanthin (1a) has been prepared by total synthesis starting from commercially available 99% 13 C enriched acetonitrile. The labelled astaxanthin was obtained in high purity and with high isotope incorporation. For this synthesis, the C 15 + C 10 + C 15 strategy was used. The central C 10 -synthon, 2,7-dimethylocta-2,4,6-triene-1,8-dial

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